The Hundred Years War rages on and the bloodiest battles are yet to be fought. The English army, victorious at the Battle of Crécy and led by the Black Prince, is invading again and the French are hunting them down.Thomas of Hookton, an English archer known as Le Bâtard, is under orders to seek out the lost sword of St Peter, a weapon said to grant certain victory to whoever possesses her.As the outnumbered English army becomes trapped,Thomas, his men and his sworn enemies meet in a confrontation that ignites one of the greatest battles of all time: the Battle of Poitiers in 1356.